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J Audiol Otol > Volume 27(4); 2023 > Article |
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Author Contributions
Conceptualization: Kyung-Ho Park, Young Jun Seo. Investigation: Michelle J. Suh. Methodology: Jihyun Lee, Wan-Ho Cho, In-Ki Jin. Project administration: Young Jun Seo. Resources: Jihyun Lee, Young Jun Seo. Supervision: Young Jun Seo. Writing—original draft: Michelle J. Suh, Young Jun Seo. Writing—review & editing: Wan-Ho Cho, In-Ki Jin, Tae Hoon Kong, Soo Hee Oh, Hyo-Jeong Lee, Seong Jun Choi, Dongchul Cha. Approval of final manuscript: all authors.
Category | No. | Title | Contents | Korean standard (KS) | |
---|---|---|---|---|---|
Audiometric test method | ISO 8253-1 [1] | Acoustics — Audiometric test methods | • Pure-tone bone conduction audiometry methods (threshold determination, masking, automatic audiometry, screening) | KSIISO8253-1 | |
Part 1: Pure-tone air and bone conduction audiometry | • Maintenance and calibration methods | ||||
• Qualifications for examiners, environmental conditions (location of subject and examiner, temperature, permissible ambient noise range) | |||||
• Preparation and education of subjects, headphone/bone vibrator use | |||||
• Hearing measurement, uncertainty evaluation methods | |||||
ISO 8253-2 [10] | Acoustics — Audiometric test methods | • Methods for sound field audiometry | KSIISO8253-2 | ||
Part 2: Sound field audiometry with pure-tone and narrow-band test signals | • Maintenance and calibration methods | ||||
• Explanation of signal sounds that can be used | |||||
• Examination environment (characteristics, settings, permissible ambient noise range), preparation and education of subjects, and reporting of results | |||||
ISO 8253-3 [11] | Acoustics — Audiometric test methods | • Methods for speech audiometry (threshold determination, masking, etc.) | KSIISO8253-3 | ||
Part 3: Speech audiometry | • Maintenance and calibration methods | ||||
• Recording methods for speech data (recording equipment, standard recording, speech data, verification, documentation) | |||||
• Examination environment (settings, permissible ambient noise range), subject preparation and education | |||||
• Reporting of results, measurement uncertainty evaluation methods | |||||
Reference zero to the calibration of audiometric equipment | ISO 389-1 [12] | Acoustics — Reference zero for the calibration of audiometric equipment | • Specifies the reference threshold level (RETSPL) for calibrating headphones | KSIISO389-1 | |
Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones | • Types of headphones | ||||
• Method for fixing headphones to a simulated ear canal | |||||
* Simulated ear canal: an acoustic characteristic that simulates the average person’s ear acoustic characteristics and is generally used to calibrate headphones | |||||
ISO 389-2 [13] | Acoustics — Reference zero for the calibration of audiometric equipment | • Specifies the RETSPL for calibrating insert earphones (ER-3A) | KSIISO389-2 | ||
Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones | • Method for connecting insert earphones to a coupler | ||||
ISO 389-3 [14] | Acoustics — Reference zero for the calibration of audiometric equipment | • Specifies the RETSPL for calibrating bone vibrators | KSIISO389-3 | ||
Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators | |||||
ISO 389-4 [15] | Acoustics — Reference zero for the calibration of audiometric equipment | • Specifies the standard level for calibrating masking noise | KSIISO389-4 | ||
Part 4: Reference levels for narrow-band masking noise | |||||
ISO 389-5 [16] | Acoustics — Reference zero for the calibration of audiometric equipment | • Specifies the RETSPL for calibrating headphones or earphones | KSIISO389-5 | ||
Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz | • Types of headphones and earphones | ||||
ISO 389-6 [17] | Acoustics — Reference zero for the calibration of audiometric equipment | • Specifies the standard level for calibrating short signals such as click sounds | N/A | ||
Part 6: Reference threshold of hearing for test signals of short duration | |||||
ISO 389-7 [18] | Acoustics — Reference zero for the calibration of audiometric equipment | • Specifies the standard level for calibrating loudspeakers | KSIISO389-7 | ||
Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions | |||||
ISO 389-8 [19] | Acoustics — Reference zero for the calibration of audiometric equipment | • Specifies the reference threshold level (RETSPL) for calibrating circumaural earphones | N/A | ||
Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones | |||||
ISO 389-9 [20] | Acoustics — Reference zero for the calibration of audiometric equipment | • Specifies the preferred test condition including environmental and ambient condition for the determination of reference hearing threshold levels | N/A | ||
Part 9: Preferred test conditions for the determination of reference hearing threshold levels | |||||
Audiometric equipment | IEC 60645-1 [21] | Electroacoustics — Audiometric equipment | • Requirements and specifications for each type of audiometer and verification criteria | KSCIEC60645-1A | |
Part 1: Equipment for pure-tone and speech audiometry | • Measured signals, transducers (headphones, bone vibrators, etc.), level adjustment, reference sound | ||||
• List of standards for calibration | |||||
• Audiogram format displayed on the equipment | |||||
IEC 60645-2 [22] (withdrawn and replaced by IEC 60645-1:2017) | Audiometers — Part 2: Equipment for speech audiometry | • Requirements and specifications for each type of audiometer | KSCIEC60645-2A | ||
IEC 60645-3 [23] | Electroacoustics — Audiometric equipment | • Types and characteristics of short signals | KSCIEC60645-3A | ||
Part 3: Test signals of short duration | • Calibration and measurement methods for short signals | ||||
IEC 60645-5 [24] | Electroacoustics — Audiometric equipment | • General specifications and verification criteria, items that manufacturers must specify | KSCIEC60645-5A | ||
Part 5: Instruments for the measurement of aural acoustic impedance/admittance | • Calibration methods (cavity specifications, probe connection method, expanded uncertainty) | ||||
• Equipment usage and environmental conditions | |||||
• Audiogram format displayed on the equipment | |||||
IEC 60645-6 [25] | Electroacoustics — Audiometric equipment | • General specifications, essential functions, verification criteria, items that manufacturers must specify | KSCIEC60645-6 | ||
Part 6: Instruments for the measurement of otoacoustic emissions | • Routine calibration methods, equipment usage and environmental conditions | ||||
IEC 60645-7 [26] | Electroacoustics — Audiometric equipment | • Auditory brainstem response (ABR) device types, general specifications, quality assurance system, verification criteria | KSCIEC60645-7 | ||
Part 7: Instruments for the measurement of auditory brainstem responses | • Calibration parameters, environmental conditions | ||||
Simulators of human head and ear | IEC 60318-1 [27] | Electroacoustics — Simulators of human head and ear | • Specifies the requirements of ear simulator having the overall acoustic impedance of the device approximates that of the normal human ear for calibrating supra-aural earphones | KSCIEC60318-1 | |
Part 1: Ear simulators for the calibration of supra-aural earphones | • Structure, headphone connection method | ||||
• Calibration method of its acoustical transfer impedance and its expanded uncertainty | |||||
IEC 60318-3 [28] | Electroacoustics — Simulators of human head and ear | • Specifies the acoustic coupler for the measurement of supra-aural audiometric earphones | KSCIEC60318-3 | ||
Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry | • Structure, headphone connection method | ||||
IEC 60318-4 [29] | Electroacoustics — Simulators of human head and ear | • Specifies the simulated ear canal used as a coupler for calibrating ear insert earphones | KSCIEC60318-4 | ||
Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts | • Structure, headphone connection method | ||||
IEC 60318-5 [30] | Electroacoustics — Simulators of human head and ear | • Specifies the 2 cm3 coupler used for calibrating insert earphones or verifying hearing aid output | KSCIEC60318-5 | ||
Part 5: 2 cm3 coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts | • Structure, insert earphone or hearing aid connection method, and expanded uncertainty | ||||
IEC 60318-6 [31] | Electroacoustics — Simulators of human head and ear | • Specifies the artificial mastoid used as a coupler for calibrating bone vibrators | KSCIEC60318-6 | ||
Part 6: Mechanical coupler for the measurement of bone vibrators | • Structure, bone vibrator connection method | ||||
• Calibration method of its mechanical impedance and its expanded uncertainty | |||||
IEC/TS 60318-7 [32] | Electroacoustics — Simulators of human head and ear | • Describes a head and torso simulator, or manikin, intended for the measurement of air-conduction hearing aids | KSCIECTS60318-7 | ||
Part 7: Head and torso simulator for the measurement of air-conduction hearing aids | • Specifies the manikin in terms of both its geometrical dimensions and its acoustical properties |